
Normal I-beams, U-beams; Permissible Deviations
出版:European Committee for Iron & Steel Standardization

專家解讀視頻
62 [01/05/1962]
NFA 45 210 : 1996 - Similar to
NEN EU 24 : 1986 - Identical
NEN EU 24 : 1986 - Identical
NFA 45 210:1996 - Similar
Normal I-beams, U-beams; Permissible Deviations
出版:European Committee for Iron & Steel Standardization
專家解讀視頻
62 [01/05/1962]
NFA 45 210 : 1996 - Similar to
NEN EU 24 : 1986 - Identical
NEN EU 24 : 1986 - Identical
NFA 45 210:1996 - Similar